#ifndef _HEAD_H
#define _HEAD_H

/*if you debug this program,you may be use this definition*/
//#define _DEBUG_

enum WHICH_BUTTON{BUTTON_LEFT=1,BUTTON_MODD,BUTTON_RIGHT};
#define container_of(ptr, type, member) ({                   \
        const typeof( ((type *)0)->member ) *__mptr = (ptr); \
        (type *)( (char *)__mptr - offsetof(type,member) );})

#endif //_HEAD_H
